Shop › 6th Blue Prismatic Birthday Helium Filled Balloon Image 1 of 2 Image 2 of 2 6th Blue Prismatic Birthday Helium Filled Balloon £6.00 18” Helium filled balloon with ribbons and weight attached. Can be paired with other decorations. Add To Cart Added! 18” Helium filled balloon with ribbons and weight attached. Can be paired with other decorations.